1. A barrier (usually temporary) that exists for no reason. 2. A barrier erected for political reasons. 3. A procedural barrier to accomplishing a worthy task.

1. "Dude, Cruz and his Teabaggers teabarricaded the park."
2. "Dude, there's a teabarricade around the Urban League voter registration booth."
3. "Dude, the GOP put up a teabarrier around the whole fucking government."